The fact that Nearly 40% admit to checking their phone while on the toilet is pretty gross really. Both Dr Phil and Dr Oz have done shows on the "Splash Effect". Just taking care of these personal duties is inherent to bacteria being spread.
We use our smartphone more than our computer keyboards now. All of us have heard how much bacteria collects on on keyboards.
How important is to clean your devices and your hands? Very important. Colds and Flu are spread by touching door knobs and the like then touching ourselves in places like the eyes.
Keep your devices clean...